Letov S-1 (SH 1) & S-2 (SM 1)
Reconnaissance Biplane
Photo ©: Karsten Palt
The Letov S-1 (SH 1) & S-2 (SM 1) are single-engine two-seat reconnaissance biplane aircraft produced by the Czechoslovak manufacturer Letov.
The S-1 (SH 1) was powered by a 230 hp (172 kW) Hiero L engine. The S-2 (SM 1) by a 260 hp (194 kW) Maybach Mb.Iva engine. The SM A 1 is a civil variant for one or two passengers.
| Crew | 2 | |
| Propulsion | 1 Piston Engine | |
| Engine Model | Maybach Mb IVa | |
| Engine Power | 194 kW | 260 hp |
| max. Cruise Speed | 165 km/h | 89 kts 102 mph |
| Speed | 191 km/h | 103 kts 119 mph |
| Service Ceiling | 6.500 m | 21.325 ft |
| Range | 648 km | 350 NM 403 mi. |
| Empty Weight | 970 kg | 2.138 lbs |
| max. Takeoff Weight | 1.492 kg | 3.289 lbs |
| Wing Span | 13,02 m | 42 ft 9 in |
| Wing Area | 36,2 m² | 390 ft² |
| Length | 8,52 m | 27 ft 11 in |
| Height | 3,31 m | 10 ft 10 in |
| First Flight | 04/1920 | |
| Production Status | out of production | |
| Total Production | > 100 | |
| Data for (Version) | Letov S-2 | |
| [Photo-ID: 10513] © Karsten Palt 2014-06-08 | |
 | Letov S-2 Czechoslovak Army Air Force Reg.: 16 c/n: 16 |
| Letecke Muzeum Kbely [Prague] | |
| [Photo-ID: 10514] © Karsten Palt 2014-06-08 | |
 | Letov S-2 Czechoslovak Army Air Force Reg.: 16 c/n: 16 |
| Letecke Muzeum Kbely [Prague] | |